ITU-R SM.1536
Frequency channel occupancy measurements
信道占用率测量
2001-07-24
ITU-R SM.1793
Measuring frequency channel occupancy using the technique used for frequency band measurement
使用频带测量技术测量频道占用率
2007-02-10
ITU-T O.111
Frequency shift measuring equipment for use on carrier channels
载波信道上使用的频移测量设备
1988-11-25
ITU-R F.436
Arrangement of voice-frequency, frequency-shift telegraph channels over HF radio circuits
高频无线电电路上的音频、移频电报信道的安排
1999-05-25
ITU-R F.497
Radio-frequency channel arrangements for radio-relay systems operating in the 13 GHz frequency band
在13 GHz频带上运行的无线电中继系统的射频信道布置
1999-02-12
ITU-R F.595
Radio-frequency channel arrangements for fixed wireless systems operating in the 18 GHz frequency band
在18 GHz频带上运行的固定无线系统的射频信道安排
2006-02-03
GOST 2.762-1985
Единая система конструкторской документации. Обозначения условные графические в электрических схемах. Частоты и диапазоны частот для систем передачи с частотным разделением каналов
统一的设计文件系统 电图中的图形标示 具有频道分频的传输系统的频率和频率范围
MIL MIL-I-22768 Notice 1-Inactivation
INDICATORS, FREQUENCY CHANNEL ID-808(*)/ASQ AND ID-1311(*)/ASQ
指示灯 频率信道ID-808（*）/ASQ和ID-1311（*）/ASQ
1996-09-18
MIL MIL-STD-188/243A
Tactical Single Channel Ultra High Frequency (UHF) Radio Communications
战术单通道超高频（UHF）无线电通信
2014-05-01
MIL MIL-I-22768
INDICATORS, FREQUENCY CHANNEL ID-808(*)/ASQ AND ID-1311(*)/ASQ
频率通道ID-808（*）/ASQ和ID-1311（*）/ASQ指示器
1961-02-15
ITU-R M.1746
Harmonized frequency channel plans for the protection of property using data communication
使用数据通信保护财产的协调频率通道计划
2006-03-20
ITU-R F.1567
Radio-frequency channel arrangement for digital fixed wireless systems operating in the frequency band 406.1-450 MHz
在406.1-450 MHz频带内运行的数字固定无线系统的射频信道布置
2002-05-25
GOST R 50590-1993
Устройства преобразования сигналов для коммутируемых и некоммутируемых каналов тональной частоты. Методы испытаний
用于切换和未切换语音频道的信号转换设备 方法测试
GOST 23504-1979
Сигналы факсимильной информации, поступающие в каналы тональной частоты. Энергетические параметры и методы измерений
传真信息 应用于声频信道 能量参数和测量方法
ITU-R F.347
Classification of multi-channel radiotelegraph systems for long-range circuits operating at frequencies below about 30 MHz and the designation of the channels in these systems
工作频率低于30 MHz的远程电路用多信道无线电报系统的分类及其信道名称
1963-07-01
ITU-T R.36
Coexistence of 50-baud/120-Hz channels, 100-baud/240-Hz channels, 200-baud/360-Hz or 480-Hz channels on the same voice-frequency telegraph system
50波特/120赫兹频道、100波特/240赫兹频道、200波特/360赫兹或480赫兹频道在同一语音频率电报系统上共存
1988-11-25
SJ 3136-1988
彩色电视接收机用频道选择开关空白详细规范
Detail specification for frequency channel selector switches for use in colour television broadcasting receivers
1988-04-08
SJ 3135-1988
彩色电视接收机用频道选择开关总规范
Generic specification for frequency channel selector switches for use in colour television broadcasting receivers
1988-04-08
ITU-R F.387
Radio-frequency channel arrangements for fixed wireless systems operating in the 11 GHz band
11 GHz频段固定无线系统的射频信道配置
2006-02-03
ITU-R F.747
Radio-frequency channel arrangements for fixed wireless systems operating in the 10 GHz band
在10GHz频段运行的固定无线系统的射频信道配置
1992-03-08